XML 12 R1.htm IDEA: XBRL DOCUMENT v3.7.0.1
Document and Entity Information - shares
6 Months Ended
Jul. 01, 2017
Jul. 26, 2017
Entity Registrant Name SUPREME INDUSTRIES INC  
Entity Central Index Key 0000350846  
Document Type 10-Q  
Document Period End Date Jul. 01, 2017  
Amendment Flag false  
Current Fiscal Year End Date --12-30  
Entity Current Reporting Status Yes  
Entity Filer Category Accelerated Filer  
Document Fiscal Year Focus 2017  
Document Fiscal Period Focus Q2  
Common Class A    
Entity Common Stock, Shares Outstanding   15,503,763
Common Class B    
Entity Common Stock, Shares Outstanding   1,656,467